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Simplifying rF(x + 9) = 8x + 7 Reorder the terms: rF(9 + x) = 8x + 7 (9 * rF + x * rF) = 8x + 7 (9rF + rxF) = 8x + 7 Reorder the terms: 9rF + rxF = 7 + 8x Solving 9rF + rxF = 7 + 8x Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Reorder the terms: -7 + 9rF + rxF + -8x = 7 + 8x + -7 + -8x Reorder the terms: -7 + 9rF + rxF + -8x = 7 + -7 + 8x + -8x Combine like terms: 7 + -7 = 0 -7 + 9rF + rxF + -8x = 0 + 8x + -8x -7 + 9rF + rxF + -8x = 8x + -8x Combine like terms: 8x + -8x = 0 -7 + 9rF + rxF + -8x = 0 The solution to this equation could not be determined.
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